diff --git a/ykrt/src/compile/jitc_yk/jit_ir.rs b/ykrt/src/compile/jitc_yk/jit_ir.rs
index 98760b356..65e402302 100644
--- a/ykrt/src/compile/jitc_yk/jit_ir.rs
+++ b/ykrt/src/compile/jitc_yk/jit_ir.rs
@@ -22,6 +22,7 @@ const SHORT_INSTR_MAX_OPERANDS: u64 = 3;
 const SHORT_OPERAND_SIZE: u64 = 18;
 const SHORT_OPERAND_KIND_SIZE: u64 = 3;
 const SHORT_OPERAND_KIND_MASK: u64 = 7;
+const SHORT_OPERAND_VALUE_SIZE: u64 = 15;
 const SHORT_OPERAND_MASK: u64 = 0x3ffff;
 
 /// Bit fiddling for instructions.
@@ -88,7 +89,7 @@ pub enum Operand {
 
 impl Operand {
     pub(crate) fn new(kind: OpKind, val: u64) -> Self {
-        if val < 2u64.pow(15) {
+        if val < 2u64.pow(u32::try_from(SHORT_OPERAND_VALUE_SIZE).unwrap()) {
             Self::Short(ShortOperand::new(kind, val))
         } else {
             todo!()